With its 100% cotton flannel lining, this safety yellow Occunomix hat liner will be ready to keep your head warm, dry and comfortable all day long. On those absolutely freezing days when keeping in body heat just isn't enough to stay warm, instantly boost your warmth by inserting warming pads in the pockets in the liner. Occunomix warming pads, sold separately, can provide seven to eleven hours of heat, so you should stay toasty and comfortable even in the worst winter weather.

This liner won't just help you stay warm; it'll also keep you safe. The cotton flannel and binding are flame retardant until washed. Also, a reflective band on the back and the bright safety yellow color will keep you visible in hectic and high-risk environments.

Heat up your workwear this winter. With some warming pads and this Occunomix RG200 International Hot Rods Cotton hat liner, you'll keep warm and safe even on the worst days of winter.